癸酸

Amino-pelargonic acid was synthesized from sebacic acid through mono-esterification, ammonolysis and Hofmann's degradation.

9-氨基壬酸系从癸二酸经单酯化、氨化和Hofmann重排制得。

The common chemical constituents were juniper camphor,1,3,3-trimethylcyclohex-1-ene-4-carboxaldehyde,borneol,α-curcumene,α-bisabolol,cis-caryophyllene,benzyl benzoate,methyl β,β-dimethylbenzenepropanoic acid ester,2,4-decadienal and heneicosane in the essential oil of the five cultivars' Hangjuhua.Among them,juniper camphor is most which were composed of 11.96%,10.51%,10.95%,13.28% and 10.77% of the total essential oil,and methyl β,β-dimethylbenzenepropanoic acid ester is second,which were composed of 1.51%,1.86%,2.52%,4.89% and 2.51% of the total essential oil,respectively.

5种栽培类型杭菊花挥发油中共有成分为1，3，3-三甲基环己-1-烯-4-甲醛、冰片、α-姜黄烯、α-甜没药萜醇、顺式石竹烯、桧脑、安息香酸苄酯、β，β-二甲基苯丙酸甲酯、2，4-癸二烯醛和二十一烷；其中桧脑含量最高，分别占挥发油总量的11.96%，10.51%，10.95%，13.28%和10.77%，为5种栽培类型杭菊花挥发油中最具特征的成分；其次是β，β-二甲基苯丙酸甲酯，分别占挥发油总量的1.51%，1.86%，2.52%，4.89%和2.51%。

The solubilization of water in undecenoic acid-decyl amine/decane system has been investigated.

研究了以癸烷为油相的十一烯酸癸胺正负离子表面活性剂体系对水的加溶作用。

A series of long chain alkyl methylnaphthalene sulfonates, including hexyl methylnaphthalene sulfonate, octyl methylnaphthalene sulfonate, decyl methylnaphthalene sulfonate, dodecyl methylnaphthalene sulfonate, and tetradecyl methylnaphthalene sulfonate, was characterized by high performance liquid chromatography and electrospray ionization mass spectrometry. Through a great deal of testing, the analytical conditions were optimized.

采用反相离子对高效液相色谱和电喷雾离子化质谱对系列长链烷基甲基萘磺酸盐，包括己基甲基萘磺酸盐、辛基甲基萘磺酸盐、癸基甲基萘磺酸盐、十二烷基甲基萘磺酸盐、十四烷基甲基萘磺酸盐进行分析，通过液相色谱分离条件的优化，找到了最佳分析条件。

By reactions of p-hydroxybenzoic acid with the chlorides of adipic acid, suberic acid, sebacic acid and 1,10-decanedicarboxylic acid respectively four new diacids, and then their dich-lorides, were obtained. The four diacids were found to be thermotropic.

将己二酸、辛二酸、癸二酸、1，10-十二烷基羧酸经酰氯化后，分别与对羟基苯甲酸合成，得到了四种二元羧酸以及与其相应的四种二元酰氯，并发现前者具有热致液晶性。

In present study, a liquid-liquid extraction method was employed to extract the volatile components in mulberry fruit sparkling wine. The analysis with gas chromatography-mass spectrometry detected 69 peaks, among which 63 volatile components were identified. The first 9 volatile components with high relative content were benzyl alcohol, 2-methyl-1-butanol, mono-(2-ethylhexyl)-1, 2-benzene dicarboxylic acid, 3-methyl-1-butanol, toluene, acrylic acid butyl ester, 1H-indole-3-ethanol, isodecyl octyl phthalate and decyl octyl phthalate.

采用液－液萃取法提取桑椹汽酒中的挥发性成分，经气相色谱－质谱联机分析，共检测出69个峰，鉴定出63种挥发性化合物，其相对含量排在前9位的挥发性化合物分别是苯乙醇、2-甲基－1-丁醇、1，2-苯二酸单（2-乙基）己酯、3-甲基－1-丁醇、甲苯、丙烯酸丁酯、1H-吲哚－3-乙醇、邻苯二甲酸异癸基辛基二酯、邻苯二甲酸癸基辛基二酯。

Liu Yakang Lu Jianmin He Jianyun Jin Guantai College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029

引言 环氧基型丙烯酸粉末涂料，通常所采用的固化剂主要有：壬二酸、癸二酸、十二二酸及二十二酸等［1］。

Transesterification between dimethyl sebacate and 1,2,2,6,6-pentamethyl-4-piperidinol was studied with tetraisopropyl orthotitanate ,lithium amide and di-n-octyltin oxide used separately as catalysts.

对癸二酸二甲酯与1，2，2，6，6-五甲基哌啶醇的酯交换反应进行了研究；分别考察了四异丙基钛酸酯、氨基锂、氧化二辛基锡3种催化剂的性能；采用氢核磁共振确定了产物的结构；考察了以四异丙基钛酸酯为催化剂时反应温度、反应时间、原料配比和催化剂用量对反应的影响。

The results showed that intermidiate 1, 2-propanediol-sebacate of low relative molecular mass was synthesized with toluene-p-sulfoinc acid as catalyst, benzene as watercarrying agent, and of mole ratio of sebacic acid to 1, 2-propanediol of 1:4. The glass-transition temperatures of PPSC were below 0 ℃ which confirmed that PPSC would be in a high-elastic state of ambient temperature and human body temperature. PPSC was a elastomer with moderate crosslinkage, low module and high elongation, and had rapid degradation ratio (degradation degree more than 50%) in phosphate (pH value 7.4) at 37℃.

结果表明，以对甲苯磺酸为催化剂、苯为带水剂，在酸醇比为1，4的条件下可合成较低相对分子质量的中间体癸二酸聚酯二元醇；PPSC弹性体的玻璃化转变温度在0℃以下，于室温及人体温度下处于高弹态；PPSC为适度交联的、低模量高伸长的弹性体，其在37℃、pH值为7.4的磷酸盆缓冲溶液中具有较快的降解性（降解度超过50%）。

A series of PVC membrane electrodes with nicotine containing different plasticizeres such as octyl phthalate, nonyl phthalate and di octyl dicaproate, and electric active substances such as association of nicotine-tetraphenyl borane, nicotine-silicotungstic acid, nicotine-phospho-wolframic acid and nicotine-Reineckate ammonium were prepared.

以尼古丁为研究对象，研制了一系列含有不同增塑剂(苯二甲酸二辛酯、苯二甲酸二壬酯和癸二酸二辛酯)和电活性物质(尼古丁四苯硼缔合物、尼古丁硅钨酸缔合物、尼古丁磷钨酸缔合物和尼古丁雷氏盐缔合物)的PVC膜电极。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐